Need Wiring help, ground up
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  1. #1
    Junior Member wdaloz's Avatar
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    What's up,

    I just got my first TW200, wanted one for a while. I have built up a number of bikes before, so I took this one on as a project.

    Here it is currently



    It came with a yamaha XT225 motor in it, I guess for a little more power and to run a thinner rear wheel, but screw that, I want TW fatty wheel so I got the original motor back in.



    BUT it's far from complete, and there is no wiring except for that which was comes out of the engine. I really just want to get this thing running and need to find some sort of wiring diagram or something so I can figure out the bare necessities to get it to run.



    It has a kickstarter and no lights so I'm planning on running it without a battery at least at first. Trying to get an idea of what needs to be wired up and how to get it firing; also what I'll need to buy, It has no CDI box nor coil.

    If you can give me a hand or point me at some relevant threads it'd be great.



    Thanks!

  2. #2
    Junior Member wdaloz's Avatar
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    1994 I think

  3. #3
    Senior Member pgilles's Avatar
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    Check the specific forum you posted this in, aka technical help. Free manuals are available. Has all the info you need.
    Sold bike.



    Youtube vids of old TW's acceleration:

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  5. #4
    Banned qwerty's Avatar
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    Might be better to find a parts bike and borrow electrics from it. Not all compnents are interchangable with other components, but any year complete electrical system will work with any engine. As long as ALL components are the same year, the system will plug and play.




  6. #5
    Junior Member wdaloz's Avatar
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    So I guess my question is... can I bypass the neutral and sidestand switches and the cutoff relay?? It looks like the L/Y wire has to be grounded?



    So my understanding (service manual p7-5) of the ignition is that when the side stand is up and the bike's in neutral, the cut-off relay connects the L/Y wire to the L/W wire. This is then grounded when the stop switch is in the run position.

    So then wouldn't just grounding the L/Y wire out of the box allow it to run? am I correct in this one?

  7. #6
    Senior Member operose's Avatar
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    You could probably use the XT225 CDI/stator/harness/coil... Would you mind taking the left side cover off the XT motor and snapping a couple of pics?
    ITCB

  8. #7
    Junior Member wdaloz's Avatar
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    Sep 2011
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    there's non of the wiring for that motor either.



    maybe i can pick up some parts at the Barber swap meet next weekend

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